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Split pillow blocks, SAF and SAW series (inch dimensions)

Split pillow blocks, SAF and SAW series (inch dimensions)

SAF and SAW split pillow (plummer) block housings are popular SKF bearing housings with inch dimensions, developed to be the first choice for design, quality and economy.

SAF and SAW housings enable the incorporated bearings to achieve maximum service life with less need for maintenance. Different housing variants and seal designs are available, making the use of tailored housings virtually unnecessary and enabling cost-effective bearing arrangements.

Bearing types

Spherical roller bearings (SAF and SAW)

Self-aligning ball bearings (SAF)

CARB toroidal roller bearings (SAF)

Bearing dimension series

12, 13, 22, 23, 30 (SAF)

22, 32 (SAW)

Shaft diameter range

1 3/16 to 10 1/2 in. (SAF)

3 3/16 to 7 15/16 in. (SAW)

Typical shaft-bearing combinations

Plain shaft with bearing on an adapter sleeve

Stepped shaft with bearing on a cylindrical seat









Grey cast iron

Cast steel

Spheroidal graphite cast iron


Two-bolt mounting

Four-bolt mounting